Mini sensor de movimento infravermelho piroelétrico PIR

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : Mini PIR Motion Detector
 *  Board     : Arduino UNO (arduino:avr:uno)
 *  Parts     : Mini PIR
 *  Libraries : none (built-in)
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

// Pin definitions
const int pirPin = 2;
const int ledPin = 13;

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ledPin, OUTPUT);
  
  Serial.begin(115200);
  Serial.println(F("Mini PIR Sensor Initializing..."));
  Serial.println(F("Waiting 5 seconds for sensor to settle..."));
  delay(5000);
  Serial.println(F("Ready! Monitoring for motion..."));
}

void loop() {
  int motionDetected = digitalRead(pirPin);

  if (motionDetected == HIGH) {
    digitalWrite(ledPin, HIGH);
    Serial.println(F("Motion detected!"));
  } else {
    digitalWrite(ledPin, LOW);
    Serial.println(F("Scanning... No motion."));
  }

  delay(300);
}

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : Mini PIR Motion Detector with ESP32
 *  Board     : ESP32 DEVKIT V1 (esp32:esp32:esp32doit-devkit-v1)
 *  Parts     : Mini PIR
 *  Libraries : none (built-in)
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

// Mini PIR Motion Detection with ESP32

const int PIR_PIN = 13;     // Connected to Mini PIR OUT
const int LED_PIN = 2;      // ESP32 onboard LED

int lastState = LOW;

void setup() {
  Serial.begin(115200);
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW);

  Serial.println("PIR Sensor Initializing... Please wait 10-30s for sensor warm-up.");
}

void loop() {
  int currentState = digitalRead(PIR_PIN);

  if (currentState != lastState) {
    lastState = currentState;
    if (currentState == HIGH) {
      digitalWrite(LED_PIN, HIGH);
      Serial.println("Motion detected!");
    } else {
      digitalWrite(LED_PIN, LOW);
      Serial.println("Motion ended.");
    }
  }

  delay(50);
}